PLGA
PLGA is a random copolymer, amorphous polymer, widely used in surgical sutures, anti-adhesive films, tissue engineering scaffolds, absorbable microspheres, such as medicine-loaded slow-release microspheres, etc. Compared with PLA, the polymer degradation time can be controlled according to the GA content, and the material is soft and flexible. Different types of PLGA can be prepared with different monomer ratios, e.g. PLGA 75:25 means that the polymer consists of 75% lactic acid and 25% hydroxyacetic acid. the degree of PLGA degradation varies with the monomer ratio, the larger the ratio of ethyl cross ester the easier it is to degrade.
Product Index:
| VitrificationTransformation temperature | Density | Heavy metalTotal content | Sulfate ash | Monomer residue | Solvent residue |
| 40~60℃ | 1.20-1.30g/cm3 | ≤10ppm | ≤0.05% | ≤1% | ≤0.05% |
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